CN102046448A - Vehicle frame structure - Google Patents
Vehicle frame structure Download PDFInfo
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- CN102046448A CN102046448A CN200980120409.4A CN200980120409A CN102046448A CN 102046448 A CN102046448 A CN 102046448A CN 200980120409 A CN200980120409 A CN 200980120409A CN 102046448 A CN102046448 A CN 102046448A
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- vehicle
- inner member
- channel part
- side member
- frame structure
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- 230000035939 shock Effects 0.000 description 20
- 238000000034 method Methods 0.000 description 17
- 239000000725 suspension Substances 0.000 description 14
- 230000002787 reinforcement Effects 0.000 description 7
- 230000003321 amplification Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/06—Understructures, i.e. chassis frame on which a vehicle body may be mounted of X-shaped or fork-shaped construction, i.e. having members which form an X or fork as the frame is seen in plan view
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A vehicle frame structure includes a tunnel portion (18) provided in a floor (16) and left and right side members (14). Each of the side members includes a front side member (14F), an inner member (14A), and an outer member (14B). The inner and outer members branch off from the front side member in a direction toward the rear of the vehicle. The inner member extends toward the rear of the vehicle along the tunnel portion. The inner members of the left and right side members are connected together by a plurality of connecting portions (20) in the longitudinal direction of the vehicle at least at a location corresponding to a front portion side of the tunnel portion. These connecting portions break when a front impact load is input to at least one of the side members.
Description
Technical field
The present invention relates to a kind of body frame structure for automotive.
Background technology
Japanese Patent Application Publication No.2003-2248 (JP-A-2003-2248) has described a kind of like this structure, wherein: the backplane channel front portion and the backplane channel rear portion that are formed by extruded material are linked together by the casting joint, and described extruded material is formed on the upwardly extending backplane channel in longitudinal direction of car side.In the process of vehicle front shock, when anterior impact load when the front portion of vehicle is input to backplane channel, this joint (only this joint) deforms, thereby absorbs the energy of self collision.
Yet, as in the described prior art of JP-A-2003-2248, only have in the front shock process of vehicle in the structure that the joint of backplane channel deforms, base plate is out of shape at regional area, makes to be difficult to anterior impact load is distributed on the extensive region of vehicle frame.
Summary of the invention
Therefore, the invention provides a kind of lighter body frame structure for automotive that can in the damping capaicty in guaranteeing the front shock process of vehicle, make.
A first aspect of the present invention relates to a kind of body frame structure for automotive, and it comprises channel part and left-side member and the right side member that is arranged in the base plate.In left-side member and the right side member each includes: i) front side member, extend along the longitudinal direction of car direction on its anterior and corresponding left side on vehicle-width direction or right side that is positioned at vehicle, the ii) inner member of the inboard on vehicle-width direction, and the iii) external member in the outside on vehicle-width direction.Inner member and external member are from the direction branch of front side member edge towards the rear portion of vehicle, and extend at the rear portion of inner member along channel part towards vehicle.The inner member of left-side member and right side member is linked together by a plurality of connecting portions along the longitudinal direction of car direction in the position corresponding to the toe lateral of channel part at least.When anterior impact load is input in the side member at least one, these connecting portions fractures.
In the body frame structure for automotive aspect this, each side member all is branched off into the external member towards the inner member of the inboard on the vehicle-width direction and the outside on vehicle-width direction from the front side member of front part of vehicle along the direction towards vehicle rear.Therefore, the anterior impact load that is input to side member (being front side member) in the vehicle front shock process is distributed and is delivered to inner member and external member.In addition, inner member extends towards the rear portion of vehicle along the channel part of base plate, so anterior impact load is also transmitted at the rear portion along this channel part towards vehicle.In addition, inner member is linked together by a plurality of connecting portions along the longitudinal direction of car direction in the position corresponding to the toe lateral of channel part at least.These connecting portions are designed to rupture when anterior impact load is input to a side member or two side members.Make connecting portion make that because of anterior impact load ruptures side member not only can be at the front side member region deformation by this way, and can be at the inner member region deformation of the front portion that is positioned at channel part.Consequently, can absorb impact in the front shock process better.Therefore, can suppress the local deformation of base plate, make it possible to reduce the quantity of the reinforcement (not shown) that is used to strengthen base plate, this makes it possible to alleviate the weight of vehicle frame again.
In addition, in above-mentioned body frame structure for automotive, front side member and inner member can form when be roughly linear when the side of vehicle is observed.
By this way the front side member of side member and inner member are formed when when the side of vehicle is observed, being the anterior impact load that is input to side member (front side member) roughly linear makes it possible to the front shock process at vehicle and be directly delivered to the inner member that extends towards the rear portion of vehicle along the channel part of base plate.Consequently, the flexural deformation that side member makes progress can be suppressed on the vehicle vertical direction, thereby the local deformation of base plate can be suppressed.
In addition, in above-mentioned body frame structure for automotive, inner member can be at the internal connection of channel part together.
By this way inner member is made it possible to effectively utilize together the space below the part except that channel part of space below the channel part of base plate and base plate at the internal connection of channel part.
In addition, in above-mentioned body frame structure for automotive, inner member can be connected in the side wall portion on the side on the vehicle-width direction of being positioned at of channel part, and another inner member can be connected in another side wall portion on the opposite side on the vehicle-width direction of being positioned at of channel part.
Make an inner member be connected in being positioned at side wall portion on the side on the vehicle-width direction of channel part by this way and another inner member is connected in the space that another side wall portion on the opposite side on the vehicle-width direction makes it possible to effectively utilize more the channel part below of base plate that is positioned at of channel part.
In addition, in above-mentioned body frame structure for automotive, be furnished with power unit along the longitudinal direction of car direction at the rear of inner member, described power unit is relative with the rear end of inner member on the longitudinal direction of car direction.
Being arranged in power unit relative with the rear end of inner member on the longitudinal direction of car direction at the rear of inner member along the longitudinal direction of car direction by this way makes in the vehicle front shock process and the inertial mass of power unit can be transmitted towards the place ahead of side member via inner member.Therefore, can be lighter what guarantee when the rear portion is equipped with damping capaicty in the front shock process of vehicle of power unit, vehicle frame to be made.
Description of drawings
In following detailed description in conjunction with the accompanying drawings to exemplary embodiment of the invention, feature of the present invention, advantage and technology and industrial significance will be described, similar in the accompanying drawings Reference numeral refers to similar element, and wherein:
Fig. 1 is the block diagram of body frame structure for automotive;
Fig. 2 is the birds-eye view of body frame structure for automotive;
Fig. 3 is the lateral plan of body frame structure for automotive;
Fig. 4 is the amplification stereogram of the connecting portion of inner member along the intercepting of the line IV-IV among Fig. 2;
Fig. 5 is that the modified example of connecting portion of inner member is along the amplification stereogram of the line V-V of Fig. 2 intercepting;
Fig. 6 is the birds-eye view of modified example, and wherein inner member all is connected in the side wall portion of the channel part in the body frame structure for automotive;
Fig. 7 is the amplification stereogram of the connecting portion of inner member along the intercepting of the line VII-VII among Fig. 6;
Fig. 8 is in the offset collision process that vehicle right front portion and collision body collide, and faces the birds-eye view of front part of vehicle before the bump;
Fig. 9 is in the offset collision process that vehicle right front portion and collision body collide, the birds-eye view of front part of vehicle during the bump beginning;
Figure 10 is the birds-eye view from the vehicle of the further distortion of state shown in Figure 9;
Figure 11 is the birds-eye view from the vehicle of the further distortion of state of Figure 10;
Figure 12 is in comprehensive front shock (being the front shock on the whole width) process, faces the birds-eye view that collides preceding front part of vehicle with collision body;
Figure 13 is in comprehensive head-on crash (being the front shock on the whole width) process, the birds-eye view of front part of vehicle during the bump beginning;
Figure 14 is the birds-eye view from the vehicle of the further distortion of state shown in Figure 13; And
Figure 15 illustrates the birds-eye view that transmits towards the place ahead of side member via inner member from the load of the inertial mass of power unit.
The specific embodiment
Hereinafter with reference to accompanying drawing illustrative embodiments of the present invention is described in further detail.In Fig. 1, relate to the body frame structure for automotive of vehicle 12 according to the body frame structure for automotive S of illustrative embodiments with the power unit (see figure 2) that for example is arranged in the rear portion.This body frame structure for automotive S has side member 14.
As depicted in figs. 1 and 2, these side members 14 are frame members that extend along the longitudinal direction of car direction both sides on vehicle-width direction.In these side members 14 each all is branched off into towards the inner member 14A of the inboard on the vehicle-width direction and the external member 14B in the outside on vehicle-width direction along the direction towards vehicle rear from the front side member 14F that is positioned at front part of vehicle.Inner member 14A extends towards vehicle rear along channel part 18 (see figure 4)s of base plate 16, and is in along a plurality of connecting portions 20 places of longitudinal direction of car direction at the leading section 18F of channel part 18 at least and links together.These connecting portions 20 are designed to fracture when anterior impact load is input to one or two side member 14.Along mentioning in the example that illustrates, having five connecting portions 20, still when anterior impact load was input to side member 14, these five connecting portions 20 there is no need complete rupture with being with.Yet preferably, for example two connecting portions, 20 fractures of the front portion on the longitudinal direction of car direction to guarantee allowing inner member 14 distortion (promptly guaranteeing the deformation stroke of inner member 14), suppress the distortion of base plate 16 simultaneously.In addition, connecting portion 20 can also be arranged on the other parts place except that the leading section 18F of channel part 18.
The external member 14B of side member 14 for example forms the member that separates with inner member 14A and front side member 14F.Near the position of the front end of the external member 14B rearward end of front side member 14F is connected in the surface in the outside on vehicle-width direction of front side member 14F, and the rear end of external member 14B is connected in the front surface of transverse member 26.As shown in Figure 1, transverse member 26 be arranged on the vehicle vertical direction side member 14 below.Therefore, as shown in Figure 3, the external member 14B of side member 14 all is arranged to when downward-sloping on the vehicle vertical direction from the front end rearward end when vehicular sideview is observed.
As shown in Figure 2, on the following side of vehicle, be furnished with the curb girder 28 that extends along the longitudinal direction of car direction.These curb girders 28 are closed cross-section hollow and that have essentially rectangular.The leading section 28A of curb girder 28 is arranged in the rear (see figure 1) of front-wheel 30 on the longitudinal direction of car direction.The curb girder 28 of both sides is linked together by a plurality of transverse members 26,32,34 and 36 that extend along vehicle-width direction.Transverse member 26 is members that the leading section 28A with curb girder 28 links together.Fig. 1 shows the two ends of transverse member 26 towards the vehicle rear bending, is straight and Fig. 2 shows the two ends of transverse member 26.The end shape of transverse member 26 is arbitrarily.
The a pair of rear-side member 38 of extending towards vehicle rear is to be set in place on the transverse member 34 and 36 at base plate 16 rear portions in the mode that is separated from each other on the vehicle-width direction.In this case, transverse member 36 member that the rearward end 28B of curb girder 28 is linked to each other with rear-side member 38.Rear-side member 38 is arranged to stretch out fartherly than transverse member 36 towards vehicle rear.The rearward end of rear-side member 38 is linked together by the transverse member 40 that extends along vehicle-width direction.The square substantially zone that is formed by rear-side member 38 and transverse member 40 is used as the space that power unit 10 is installed.It is relative that power unit 10 is arranged on the longitudinal direction of car direction rear end 14G with inner member 14A.
As shown in Figure 4, side member 14 forms with square substantially closed cross-section by the steel plate that connects press forming.Inner member 14A combines at relative upright wall part 14C place by welding or bonding etc.Consequently, inner member 14A links together in channel part 18.In this case, channel part 18 is one ridge that the middle part on the vehicle-width direction of vehicle protrudes upward along the vehicle vertical direction, and extends along the longitudinal direction of car direction.
Along mentioning that the structure of side member is not limited thereto with being with.For example, also the extruded material with hollow of basic square cross section can be used for each side member 14, as shown in Figure 5.In the example depicted in fig. 5, inner member 14A utilizes nut 44 to tighten together at relative upright wall part 14C place with bolt 42.Nut 44 for example is fixed in the inner surface of the vertical wall 14C of the inner member 14A on the vehicle left side, and is provided with working hole 14J among the upright wall part 14H in the outside on the vehicle-width direction of the inner member 14A on the vehicle right side.Bolt 42 passes among the inner member 14A that this working hole 14J is inserted into the vehicle right side, and is screwed in the nut 44.Along band mention that working hole 14J can be used as the weak point that is used in the distortion of the collision process control side member 14 of vehicle 12.
In addition, in Fig. 6 and example shown in Figure 7, inner member 14A is connected in the side wall portion 18A of the sidepiece on vehicle-width direction of channel part 18.More specifically, each inner member 14A is connected in the outer surface on vehicle-width direction of one of the side wall portion 18A of channel part 18.In other words, inner member 14A is connected to each other via channel part 18.In this example, the inner member 14A of side member 14 does not pass channel part 18, so freeing pipe 45 grades can be arranged in the channel part 18.
In Fig. 1 and Fig. 8, be provided with the suspension system 46 that hangs front-wheel 30 at front part of vehicle.This suspension system 46 for example is two fork arm type equal suspension systems.As shown in Figure 1, on each front side member 14F, be provided with suspension arm 48, when this suspension arm 48 when vehicle front is observed for example is roughly U-shaped.Support portion 48A upper support at the place, an end that is located at each suspension arm 48 has upper arm 50, make upper arm 50 on the vehicle vertical direction, to pivot, and the support portion 48B upper support at another place, end that is located at each suspension arm 48 has inner arm 52A, inner arm 52A is positioned at underarm 52 the place aheads and the inboard on vehicle-width direction, makes inner arm 52A to pivot on the vehicle vertical direction.For example between underarm 52 and suspension arm 48, be connected with the attenuator 56 of coil spring 54 with coaxial setting.As shown in Figure 8, the inner end 52B towards the inboard on the vehicle-width direction that is positioned at underarm 52 rears is supported near the rearward end of each external member 14B of side member 14, makes inner end 52B to pivot on the vehicle vertical direction.
The wheel hub 58 that is used for attached front-wheel 30 is supported the outer end on vehicle-width direction in outer end on the vehicle-width direction and underarm 52 by upper arm 50.Each wheel hub 58 is connected in the intermediate rod 62 of steering box 60, therefore can and then intermediate rod 62 be moved along vehicle-width direction by the steering wheel rotation (not shown) wheel hub 58 is pivoted around the rotation axis that is positioned on the vehicle vertical direction.In addition, as shown in Figure 1, for example, each wheel hub 58 is provided with along the outwardly directed column bolt 64 of vehicle-width direction, is used for front-wheel 30 fixing on the throne.Steering box 60 for example is fixed in front side member 14F.
(operation) next, with the operation of describing according to the body frame structure for automotive of above-mentioned this illustrative embodiments.At first, be described in for example right front portion of vehicle 12 in the offset collision and the situation that collision body 66 collides with reference to Fig. 8 to Figure 11.When this offset collision took place, as shown in Figure 9, anterior impact load F1 was input to the front side member 14F on vehicle right side via bumper reinforcement 24 and crash box 22.At this moment, the axial compression of crash box 22 and distortion have absorbed impact to a certain degree.In addition, along with front part of vehicle continues distortion, be imported into the front-wheel 30 on vehicle right side from the anterior impact load F2 of collision body 66.In addition, at this moment, anterior impact load F1 also is delivered to vehicle left side via bumper reinforcement 24, suspension arm 48 and steering box 60 etc., promptly with the relative side of bump side.
As mentioned above, in the body frame structure for automotive S according to this illustrative embodiments, side member 14 is branched off into inner member 14A and external member 14B from the front side member 14F that is positioned at front part of vehicle along the direction towards vehicle rear.Therefore, at this moment, the anterior impact load F1 that is input to side member 14 (being front side member 14F) is distributed to inner member 14A (in the direction of arrow A) and external member 14B (in the direction of arrow B).Anterior impact load F1 for example is delivered to transverse member 26 and is delivered to the rear portion of inner member 14A along channel part 18 on the longitudinal direction of car direction.The load that is delivered to transverse member 26 also is delivered to curb girder 28.
And this moment, in body frame structure for automotive S according to this illustrative embodiments, as shown in Figure 3, the front side member 14F of side member 14 and inner member 14A form when observing from the side of vehicle linearly shape, are directly delivered to the inner member 14A that extends towards vehicle rear along the channel part 18 of base plate 16 so be input to the anterior impact load F1 (see figure 9) of side member 14 (being front side member 14F) in the front shock process of vehicle 12.Consequently, can suppress side member 14 on the vehicle vertical direction towards above flexural deformation, thereby can suppress the local deformation of base plate 16.
In addition, inner member 14A is in along a plurality of connecting portions 20 places of longitudinal direction of car direction at the leading section 18F of channel part 18 at least usually and links together.Yet, along with the front portion of vehicle owing to anterior impact load F1 continues to be out of shape (see figure 9), some connecting portions (for example two of the forefront connecting portions 20) rupture, and as shown in Figure 10 and Figure 11, and separate (seeing Figure 11) along vehicle-width direction.Connecting portion 20 is ruptured by this way and separate the energy that makes it possible to absorb from bump.In addition, side member 14 not only can be at the region deformation of front side member 14F, but also can be at the region deformation of the inner member 14A at the leading section 18F place that is positioned at channel part 18.That is, can enlarge buffer zone.Consequently, can absorb impact in the front shock process effectively.As a result, can suppress the local deformation of base plate 16, make it possible to reduce the quantity of the reinforcement (not shown) that is used to strengthen base plate 16, this makes it possible to alleviate the weight of vehicle frame again.Along band ground mentioning, when front side member 14F, the inner member 14A of side member 14 and external member 14B distortion, can produce the antagonistic force of opposing collision body 66, rupture up to connecting portion 20.In addition, the position of connecting portion 20 is not limited to the leading section 18F of channel part 18.That is, connecting portion 20 also can be arranged on the part except that leading section 18F.
In addition, as shown in figure 10, along with the front portion distortion of vehicle, front-wheel 30 is urged towards the rear and is contacted with the leading section 28A of curb girder 28, thereby anterior impact load F2 (see figure 9) is delivered to curb girder 28 in the direction of arrow C.Therefore, anterior impact load F2 can be delivered to curb girder 28 efficiently.
In this illustrative embodiments, when inner member 14A at channel part 18 internal connections together the time, as shown in Figure 4 and Figure 5, can effectively utilize the space of the part 18B below except that channel part 18 of the space of channel part 18 belows of base plate 16 and base plate 16.For example, this space can be used to install the battery that is used for hybrid vehicle or Fuel Tank etc. is installed.
In addition, in this illustrative embodiments, when inner member 14A was connected in the side wall portion 18A of channel part 18, as shown in Figure 6 and Figure 7, inner member 14A did not pass channel part 18.Therefore, can effectively utilize the space of channel part 18 belows of base plate 16 more.For example, freeing pipe 45 grades can be arranged in channel part 18 inside.
The whole front portion and collision body 66 case of collision of vehicle in comprehensive front shock (being the front shock on the whole width) next, are described with reference to Figure 12 and Figure 14.When this comprehensive front shock took place, anterior impact load F1 was input to two front side member 14F via bumper reinforcement 24 and crash box 22, as shown in figure 13.At this moment, the axial compression of crash box 22 and distortion have absorbed impact to a certain degree.In addition, along with front part of vehicle continues distortion, be imported into front-wheel 30 from the anterior impact load F2 of collision body 66.
At this moment, the anterior impact load F1 that is input to side member 14 (being front side member 14F) is distributed to inner member 14A (in the direction of arrow A) and external member 14B (in the direction of arrow B).Anterior impact load F1 for example is delivered to transverse member 26 and is delivered to the rear portion of inner member 14A along channel part 18 on the longitudinal direction of car direction.The load that is delivered to transverse member 26 also is delivered to curb girder 28.The front side member 14F of side member 14 and inner member 14A form when observing from the side of vehicle linearly shape, so as the situation of above-mentioned offset collision, can suppress the local deformation of base plate.
In addition, along with the front portion of vehicle owing to anterior impact load F1 continues distortion (seeing Figure 13), fracture takes place and separates along vehicle-width direction in some connecting portions 20 of inner member 14 (for example two of the forefront connecting portions 20), as shown in figure 14.Connecting portion 20 is ruptured by this way makes that with separating side member 14 not only can be at the region deformation of front side member 14F, and can also be on the throne in the region deformation of the inner member 14A at the leading section 18F place of channel part 18.Consequently, can absorb impact in the front shock process effectively.Therefore, can also suppress the local deformation of base plate 16, make it possible to reduce the quantity of the reinforcement (not shown) that is used to strengthen base plate 16, this makes it possible to alleviate the weight of vehicle frame again.
In addition, along with the front portion distortion of vehicle, front-wheel 30 is urged towards the rear and is contacted with the leading section 28A of curb girder 28, thereby anterior impact load F2 (seeing Figure 13) is delivered to curb girder 28 in the direction of arrow C.Therefore, anterior impact load F2 can be delivered to curb girder 28 efficiently.
In the body frame structure for automotive S according to this illustrative embodiments, the rear end 14G with inner member 14A is relative at the rear that is arranged in inner member 14A on the longitudinal direction of car direction and on the longitudinal direction of car direction for power unit 10.Therefore, in the front shock process of vehicle 12, can transmit to the place ahead of side member 14 via inner member 14A from the load FI of the inertial mass of power unit 10.No matter collision is offset collision or comprehensive front shock, and this load can both be transmitted by this way.Therefore, even in power unit 10 rear-mounted vehicles 12, also can in the damping capaicty in guaranteeing the front shock process, make vehicle frame lighter.
In addition, in the body frame structure for automotive according to this illustrative embodiments, the inner member 14A of side member 14 extends on the longitudinal direction of car direction along channel part 18.These inner members 14A is light and firm, so they can suppress for example vibration of generation when power unit 10 idle running.In addition, can also improve absorption power from the impact of sidepiece collision.
Along band mention that the quantity of connecting portion 20 of inner member 14A that is positioned at the leading section 18F place of channel part 18 is not limited to five.For example, those the most forward on the longitudinal direction of car direction two connecting portions can only be set.In addition, preferably with some connecting portions 20 in a plurality of connecting portions 20, two connecting portions 20 in the place ahead for example are positioned at the place ahead of transverse member 26.This is because when these connecting portion 20 fractures and inner member 14A distortion, reduced the influence to base plate 16, thereby can further suppress the local deformation of base plate 16.
In addition, in this illustrative embodiments, suspension system 46 is two fork arm type equal suspension systems, but the invention is not restricted to this.For example, suspension system 46 also can be the suspension system of MacPherson type (MacPherson stut) suspension system or other type.
Though described the present invention, should be appreciated that the present invention is not limited to these illustrative embodiments or structure in conjunction with illustrative embodiments of the present invention.On the contrary, the invention is intended to contain various modification and equivalent arrangements.In addition, though the multiple element that shows illustrative embodiments with the combination and the structure of various exemplary comprises other combination more, still less or only discrete-component and structure also within the spirit and scope of the present invention.
Claims (9)
1. body frame structure for automotive comprises:
Be arranged on the channel part in the base plate;
Left-side member and right side member, in described left-side member and the described right side member each includes: i) front side member, described front side member is positioned at the anterior and corresponding left side on vehicle-width direction or the right side of vehicle and extends along the longitudinal direction of car direction, the ii) inner member of the inboard on described vehicle-width direction, and the iii) external member in the outside on described vehicle-width direction, described inner member and described external member are from the direction branch of described front side member edge towards the rear portion of vehicle, extend at the rear portion of described inner member along described channel part towards vehicle, the described inner member of described left-side member and described right side member is linked together by a plurality of connecting portions along described longitudinal direction of car direction in the position corresponding to the toe lateral of described channel part at least
Wherein, when anterior impact load is input in described left-side member and the described right side member at least one, described connecting portion fracture.
2. body frame structure for automotive as claimed in claim 1, wherein, described front side member and described inner member form when be roughly linear when the side of vehicle is observed.
3. body frame structure for automotive as claimed in claim 1 or 2, wherein, described inner member links together in described channel part.
4. body frame structure for automotive as claimed in claim 1 or 2, wherein, described inner member links together via described channel part, inner member is connected in a side wall portion on the side on the described vehicle-width direction of being positioned at of described channel part, and another inner member is connected in another side wall portion on the opposite side on the described vehicle-width direction of being positioned at of described channel part.
5. as each described body frame structure for automotive in the claim 1 to 4, wherein, be furnished with power unit along described longitudinal direction of car direction at the rear of described inner member, described power unit is relative with the rear end of described inner member on described longitudinal direction of car direction.
6. as each described body frame structure for automotive in the claim 1 to 5, wherein, described channel part is positioned in the central portion on described vehicle-width direction of described base plate.
7. body frame structure for automotive as claimed in claim 6, wherein, the place, joint portion between each front side member and each inner member is provided with curve, and is provided with curve at the part place between described joint portion and described connecting portion of each inner member.
8. body frame structure for automotive as claimed in claim 6, wherein, in the described inner member each is extended towards the front portion of described channel part oblique back from the corresponding rear end of corresponding front side member, extends towards the rear along the direction of described channel part from the front portion of described channel part then.
9. as each described body frame structure for automotive in the claim 1 to 8, also comprise:
The transverse member that on described vehicle-width direction, extends; And
A pair of curb girder, in the described a pair of curb girder one is connected in an end and the rear extension from the described end of described transverse member towards vehicle of described transverse member, in the described a pair of curb girder another is connected in the other end and the rear extension from the described other end of described transverse member towards vehicle of described transverse member
Wherein, the rear end of described external member is connected in described transverse member.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008164175A JP4525802B2 (en) | 2008-06-24 | 2008-06-24 | Vehicle skeleton structure |
| JP2008-164175 | 2008-06-24 | ||
| PCT/IB2009/006015 WO2009156819A1 (en) | 2008-06-24 | 2009-06-22 | Vehicle frame structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102046448A true CN102046448A (en) | 2011-05-04 |
| CN102046448B CN102046448B (en) | 2013-01-02 |
Family
ID=40984980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980120409.4A Expired - Fee Related CN102046448B (en) | 2008-06-24 | 2009-06-22 | Vehicle frame structure |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8393669B2 (en) |
| EP (1) | EP2291308B1 (en) |
| JP (1) | JP4525802B2 (en) |
| CN (1) | CN102046448B (en) |
| AT (1) | ATE552159T1 (en) |
| WO (1) | WO2009156819A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106458263A (en) * | 2014-06-09 | 2017-02-22 | 戈登·默里设计有限公司 | Vehicle impact structures |
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2009
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- 2009-06-22 EP EP09769632A patent/EP2291308B1/en not_active Not-in-force
- 2009-06-22 WO PCT/IB2009/006015 patent/WO2009156819A1/en active Application Filing
- 2009-06-22 US US12/999,098 patent/US8393669B2/en not_active Expired - Fee Related
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| CN106458263A (en) * | 2014-06-09 | 2017-02-22 | 戈登·默里设计有限公司 | Vehicle impact structures |
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|---|---|
| US8393669B2 (en) | 2013-03-12 |
| CN102046448B (en) | 2013-01-02 |
| EP2291308A1 (en) | 2011-03-09 |
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| US20110083923A1 (en) | 2011-04-14 |
| ATE552159T1 (en) | 2012-04-15 |
| WO2009156819A1 (en) | 2009-12-30 |
| EP2291308B1 (en) | 2012-04-04 |
| WO2009156819A8 (en) | 2010-03-25 |
| JP2010006102A (en) | 2010-01-14 |
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